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Issued by NWS San Juan, PR

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FOCA52 TJSJ 211506 AAA
PFMSJU

POINT FORECAST MATRICES...UPDATED
NATIONAL WEATHER SERVICE SAN JUAN PR
1106 AM AST Wed Feb 21 2018

PRZ001-212030-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
1106 AM AST Wed Feb 21 2018

DATE             WED 02/21/18            THU 02/22/18            FRI 02/23/18
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      82          72          81          72          82
TEMP                81 82 78 76 74 73 72 76 80 81 78 75 74 73 72 76 81 82 78 76
DEWPT               69 69 69 69 69 68 67 67 67 67 67 67 68 67 67 67 67 67 67 67
RH                  67 65 74 79 84 84 84 74 65 63 69 76 82 81 84 74 63 61 69 74
WIND DIR             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E
WIND SPD            23 23 21 20 20 18 17 18 20 20 19 17 18 19 17 17 18 19 19 17
CLOUDS              B2 B2 B2 SC SC SC SC FW FW FW FW B1 B1 B1 B1 B1 B1 FW FW B1
POP 12HR                     70          30          20          60          60
QPF 12HR                   0.32        0.03        0.04        0.04        0.05
RAIN SHWRS           L  L  L  C  C  C  C  S  S  S  S  L  L  L  L  L  L  S  S  L
HEAT INDEX          84 85                   82 83                   83 85
MAX HEAT               85    85                83    83                85    85
HIGH SURF               Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y
WIND                 Y  Y  Y  Y  Y


DATE          SAT 02/24/18  SUN 02/25/18  MON 02/26/18  TUE 02/27/18
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          72    83      72    82      72    84      73    84
TEMP          73 77 83 76   73 76 82 76   73 77 84 77   74 78 84 76
DEWPT         67 69 68 68   67 69 69 67   67 68 67 69   69 68 70 69
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      GN    GN      GN    GN      LT    GN
AVG CLOUDS    B1 SC SC SC   FW B1 B1 SC   SC SC B1 B1   SC SC SC SC
POP 12HR         60    30      50    50      50    50      30    40
RAIN SHWRS     L  L  C  C       C  C  C    C  C  C  C    C  C  C  C

$$

PRZ002-212030-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
1106 AM AST Wed Feb 21 2018

DATE             WED 02/21/18            THU 02/22/18            FRI 02/23/18
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      83          75          82          72          83
TEMP                82 83 80 78 77 76 75 78 81 82 78 76 74 73 72 77 82 83 80 77
DEWPT               70 70 69 69 69 68 67 67 67 67 67 67 68 67 67 68 68 68 68 68
RH                  67 65 69 74 76 76 76 69 63 61 69 74 82 81 84 74 63 61 67 74
WIND DIR             E  E NE  E NE NE NE  E  E  E  E  E  E  E  E NE  E NE NE  E
WIND SPD            26 26 25 25 23 21 20 21 21 20 19 19 19 20 19 19 20 20 19 18
CLOUDS              B2 B2 B2 SC SC SC SC FW FW FW FW B1 B1 B1 B1 B1 B1 SC SC B1
POP 12HR                     70          40          10          60          60
QPF 12HR                   0.32        0.04        0.02        0.04        0.16
RAIN SHWRS           L  L  L  C  C  C  C  S  S  S  S  L  L  L  L  L  L  C  C  C
HEAT INDEX          86 87 83                83 85                   85 86 83
MAX HEAT               87    87                85    85                86    86
HIGH SURF               Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y
WIND                 Y  Y  Y  Y  Y


DATE          SAT 02/24/18  SUN 02/25/18  MON 02/26/18  TUE 02/27/18
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          74    82      73    81      72    84      72    84
TEMP          75 77 82 76   74 76 81 75   73 77 84 76   73 77 84 76
DEWPT         68 69 69 68   67 69 70 68   68 68 68 70   69 69 70 70
PWIND DIR         E     E      NE     E      NE     E       E     E
WIND CHAR        BZ    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 B2 B2 SC   FW B1 B1 B1   B1 B1 SC B1   SC SC SC SC
POP 12HR         50    50      50    50      40    50      40    50
RAIN SHWRS     C  C  C  C       C  C  C    C  C  C  C    C  C  C  C

$$

PRZ007-212030-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
1106 AM AST Wed Feb 21 2018

DATE             WED 02/21/18            THU 02/22/18            FRI 02/23/18
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      87          69          85          69          85
TEMP                85 87 80 75 73 71 69 76 83 85 79 75 72 70 69 76 83 85 79 75
DEWPT               64 64 65 65 65 65 65 63 61 61 62 63 64 64 64 64 64 64 64 64
RH                  50 46 60 71 76 81 87 64 47 45 56 66 76 81 84 66 53 50 60 69
WIND DIR            NE  E  E NE NE SE NE NE  E NE  E NE NE NE  E NE NE NE NE NE
WIND SPD            17 17 16 12 13 11 11 16 18 17 18 10 10 10 11 16 18 18 19 12
CLOUDS              SC SC SC FW FW FW FW FW FW FW FW CL CL CL CL CL CL FW FW FW
POP 12HR                     20           5          10           5          20
QPF 12HR                   0.05           0        0.01           0        0.04
RAIN SHWRS              S  S                    S  S                    S  S  S
HEAT INDEX          86 88 82                83 85                   84 86
MAX HEAT               88    87                85    84                86    85
WIND                 Y  Y  Y  Y  Y


DATE          SAT 02/24/18  SUN 02/25/18  MON 02/26/18  TUE 02/27/18
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          69    86      69    87      69    86      70    85
TEMP          70 76 86 75   71 76 87 75   71 76 86 76   71 76 85 75
DEWPT         64 65 63 66   64 66 64 67   64 64 60 65   67 67 66 68
PWIND DIR        NE     E      NE    NE      NE     E      NE     E
WIND CHAR        GN    BZ      GN    GN      LT    GN      LT    LT
AVG CLOUDS    FW SC SC SC   FW FW SC SC   FW FW FW FW   FW FW FW SC
POP 12HR         40    40      10    40      10    10      10    30
RAIN SHWRS     S  C  C  C       S  C  C    S  S  S  S    S  S  C  C

$$

PRZ008-212030-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
1106 AM AST Wed Feb 21 2018

DATE             WED 02/21/18            THU 02/22/18            FRI 02/23/18
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      81          71          78          71          81
TEMP                80 81 77 75 73 72 71 74 77 78 75 74 72 72 71 75 80 81 77 75
DEWPT               68 69 68 68 68 68 66 65 66 66 67 67 67 67 67 67 67 67 68 68
RH                  67 67 74 79 84 87 84 74 69 67 76 79 84 84 87 76 65 63 74 79
WIND DIR             E  E  E  E  E  E NE  E  E  E  E NE  E  E  E  E  E  E  E  E
WIND SPD            25 26 25 26 25 24 24 24 25 23 23 19 23 21 19 19 20 24 24 20
CLOUDS              SC B1 B1 SC SC SC SC FW FW CL CL FW FW FW FW FW FW FW FW FW
POP 12HR                     40          20          10          20          20
QPF 12HR                   0.16        0.01        0.01        0.01        0.01
RAIN SHWRS           C  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX          83 84                                           82 83
MAX HEAT               84    84                                        83    83
HIGH SURF               Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y
WIND                 Y  Y  Y  Y  Y


DATE          SAT 02/24/18  SUN 02/25/18  MON 02/26/18  TUE 02/27/18
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          71    81      71    79      71    80      72    81
TEMP          72 75 81 75   72 74 79 74   72 75 80 75   73 76 81 75
DEWPT         67 67 68 68   67 68 69 69   67 67 69 69   69 69 68 70
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      GN    LT
AVG CLOUDS    FW FW FW SC   FW FW SC B1   FW FW SC FW   FW FW SC SC
POP 12HR         10    30      10    50      20    20      10    50
RAIN SHWRS     S  S  C  C       S  C  C    S  S  S  S    S  S  C  C

$$

PRZ010-212030-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
1106 AM AST Wed Feb 21 2018

DATE             WED 02/21/18            THU 02/22/18            FRI 02/23/18
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      85          72          82          72          82
TEMP                83 85 80 77 75 73 72 76 81 82 78 76 74 73 72 76 81 82 78 76
DEWPT               67 67 67 67 67 67 66 64 64 65 66 65 66 66 65 66 67 67 67 66
RH                  59 55 65 71 76 81 81 66 56 56 67 69 76 79 79 71 63 61 69 71
WIND DIR             E NE  E NE NE NE  E NE NE NE NE NE  E  E NE  E NE NE NE NE
WIND SPD            17 20 20 16 16 16 14 17 19 18 20 14  9 10 12 16 18 20 20 14
CLOUDS              SC B1 B1 SC SC SC SC FW FW FW FW CL CL CL CL CL CL FW FW FW
POP 12HR                     40          20          10           5          10
QPF 12HR                   0.16        0.01        0.01           0        0.04
RAIN SHWRS           S  C  C  S  S  S  S  S  S  S  S                    S  S  S
HEAT INDEX          86 88 82                83 84                   83 85
MAX HEAT               88    87                84    84                85    85
WIND                 Y  Y  Y  Y  Y


DATE          SAT 02/24/18  SUN 02/25/18  MON 02/26/18  TUE 02/27/18
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          72    82      72    82      72    81      73    82
TEMP          73 76 82 76   73 76 82 76   73 76 81 76   74 77 82 76
DEWPT         66 66 67 67   65 67 68 69   66 65 68 68   68 68 69 69
PWIND DIR        NE    NE      NE    NE      NE    NE       E    NE
WIND CHAR        GN    BZ      GN    GN      GN    GN      LT    LT
AVG CLOUDS    FW FW SC B1   FW FW SC B1   FW FW SC SC   FW FW SC SC
POP 12HR         10    50      10    50      10    30      10    50
RAIN SHWRS     S  S  C  C       S  C  C    S  S  C  C    S  S  C  C

$$

VIZ001-212030-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
1106 AM AST Wed Feb 21 2018

DATE             WED 02/21/18            THU 02/22/18            FRI 02/23/18
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      84          72          83          71          84
TEMP                82 84 79 76 74 73 72 77 82 83 78 75 73 72 71 76 82 84 79 76
DEWPT               69 68 68 68 69 68 67 66 66 66 67 67 67 67 66 67 67 67 67 67
RH                  65 59 69 76 84 84 84 69 58 57 69 76 81 84 84 74 61 57 67 74
WIND DIR             E  E NE  E  E  E  E  E  E  E  E  E  E  E  E NE  E NE NE  E
WIND SPD            25 26 25 21 21 20 19 23 24 21 21 24 24 25 23 24 21 21 21 21
CLOUDS              B2 B2 B2 SC SC SC SC FW FW FW FW B1 B1 B1 B1 B1 B1 SC SC FW
POP 12HR                     70          40          10          60          60
QPF 12HR                   0.32        0.04        0.02        0.03        0.05
RAIN SHWRS           L  L  L  C  C  C  C  S  S  S  S  L  L  L  L  L  L  C  C  S
HEAT INDEX          85 87                   84 85                   85 87
MAX HEAT               88    87                85    85                87    87


DATE          SAT 02/24/18  SUN 02/25/18  MON 02/26/18  TUE 02/27/18
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          72    85      72    81      73    84      73    83
TEMP          73 77 85 77   73 76 81 76   74 78 84 77   74 77 83 76
DEWPT         68 67 68 67   68 69 69 68   68 68 68 70   69 68 69 70
PWIND DIR         E     E       E     E      NE     E       E     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      GN    BZ
AVG CLOUDS    FW SC SC SC   FW B1 B1 SC   B1 SC SC B1   B1 B1 SC FW
POP 12HR         30    30      50    50      40    50      40    50
RAIN SHWRS     S  C  C  S       C  C  C    C  C  C  C    C  C  C  C

$$

VIZ002-212030-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
1106 AM AST Wed Feb 21 2018

DATE             WED 02/21/18            THU 02/22/18            FRI 02/23/18
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      84          72          83          71          84
TEMP                82 84 79 76 74 73 72 77 82 83 78 75 73 72 71 76 82 84 79 76
DEWPT               70 70 70 70 70 70 69 68 68 68 68 68 68 68 68 68 68 68 69 69
RH                  67 63 74 82 87 90 90 74 63 61 71 79 84 87 90 76 63 59 72 79
WIND DIR             E  E  E NE NE NE NE NE  E  E  E NE NE  E NE  E  E  E NE NE
WIND SPD            23 23 23 19 18 19 17 20 21 20 21 20 21 21 20 20 21 21 21 20
CLOUDS              B2 B2 B2 SC SC SC SC FW FW CL CL FW FW FW FW FW FW FW FW SC
POP 12HR                     70          40          10          20          20
QPF 12HR                   0.32        0.04        0.01        0.01        0.01
RAIN SHWRS           L  L  L  C  C  C  C  S  S        S  S  S  S  S  S  S  S  C
HEAT INDEX          86 88                   85 86                   85 87
MAX HEAT               88    88                86    86                87    86
HIGH SURF               Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y
WIND                 Y  Y  Y  Y  Y


DATE          SAT 02/24/18  SUN 02/25/18  MON 02/26/18  TUE 02/27/18
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          71    84      71    83      71    84      73    84
TEMP          72 76 84 76   72 76 83 75   72 76 84 77   74 78 84 76
DEWPT         69 69 70 70   69 70 70 71   70 69 68 70   71 69 68 71
PWIND DIR         E     E      NE     E      NE     E       E     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      GN    BZ
AVG CLOUDS    SC SC FW SC   FW FW SC B1   B1 SC SC SC   FW FW FW SC
POP 12HR         30    20      10    40      40    40      10    50
RAIN SHWRS     C  C  S  S       S  C  C    C  C  C  C    S  S  S  C

$$



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